Krohne Flow Switch Dw181 Dw182 Dw183 Dw184

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: DW181 DW182 DW183 DW184
• Accuracy: ≤±0.1%
• Main Application: Water, Wastewater, Oil
• Size: DN15-DN300
• Sensor: Tube/Flange
• Application: Industrial Production
• Type: Variable Area Flow Meter
• Measuring Media: Liquid
• Measuring Principle: Mechanics
• Measurement Object: Open Channel
• Certification: DIN, CE, ISO
• Process Pressure: Max. 1000 Barg/ 14500 Psig
• Process Temperature: -196...+400°c/ -320...+752°f
• Analogue Outputs: 4...20 Ma
• Connection: Threaded
• Material: 316L
• Protection Grade: IP65, IP68
• Thread: G¾…2, ¾…2 NPT
• Temperature Range: -40…+300°c
• Pressure Range: Max. 40 Barg / 580 Psig
• Maximum Flow Range: up to 30,000 L/H or 132.09 Gpm (Us)
• Transport Package: Carton
• Specification: 40*40*30 cm
• Trademark: KROHNE
• Origin: China
• HS Code: 9026100000
• Production Capacity: 1000 Sets/Month
• Package Size: 40.00cm * 40.00cm * 30.00cm
• Package Gross Weight: 2.500kg

Product Description

Product Information

Product Model	DW181	Brand Name	Krohne
Certification	DIN, CE	Accuracy Class	3%
Place of Origin	Germany	Warranty	1 Year
Customized support	OEM, ODM	Process pressure	max. 40 barg / 580 psig
Process temperature	-40…+300°C / -40…+570°F	Analogue outputs	4...20 mA

Product Feature
1. Easy and economical installation: measurement and display without auxiliary power
2. Unique modular and easy service: limit switch, two-wire system 4... 20 mA, LCD counter, pulse output, fieldbus interface
Product Description

Accurate Flow Measurement: The Krohne DW181 DW182 DW183 DW184 Mechanical Flow Switch provide an accuracy of 15%, ensuring reliable and precise flow measurement in various applications.

No Power Required: This flow switch operates without a power supply, making it an ideal choice for areas with limited power availability or for applications where a battery-free solution is preferred, as requested by a user.

Versatile Scale Marking Options: The flow switch is available with scale marking options in liters per hour (l/h), cubic meters per hour (m3/h), or US gallons per minute (us gpm), catering to various user preferences and measurement requirements.

Robust Performance: The flow switch boasts a repeatability of 3%, ensuring consistent and reliable performance in different operating conditions.

Wide Operating Range: The Krohne DW181 DW182 DW183 DW184 Mechanical Flow Switch is designed to operate within a wide range of reference temperatures (+20°C to +5°C) and pressures (1013 mbar abs. to 20 mbar), making it suitable for various industrial applications.

DW18 SERIES Mechanical Flow Switch
Mechanical, autonomous flow switches - no power supply needed
For horizontal and vertical pipes from DN 15 up to DN 3000 - and higher
High reliability and repeatability up to 300 °C / 570 °F
Highlights
Proven technology - for more than thirty years

Bistable reed switches, SPDT switches and relays available

Optional second limit switch

Switch position can be adjusted under process conditions

Suitable for pipes DN 15 …3000 or ½...120" in diameter

High-temperature version (without indicator) for operating conditions up to 300 °C / 570 °F

Housing is removable under process conditions

Optional approval for EEx I or EEx d applications

No maintenance needed

Industries
Petrochemical
Oil & Gas
Chemical
Water
Air-conditioning (HVAC)

Applications
Flow detection
Cooling systems
Pump protection
Lubrication control
Cavitation alarm